BlackTreeCVE Intelligence
← Back to the CVE catalogue
Full vulnerability report · 2015
CVE-2015-0078High confidence

n/a: security vulnerability

n/a · n/a

7.2HighCVSS 2.0
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2015-0116

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
01

What, why and how

win32k.sys in the kernel-mode drivers in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly validate the token of a calling thread, which allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

What

win32k.sys in the kernel-mode drivers in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly validate the token of a calling thread, which allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may gain additional privileges.

What

win32k.sys in the kernel-mode drivers in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly validate the token of a calling thread, which allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may gain additional privileges.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
the affected interface → vulnerable operation → gain additional privileges
Attack surface
Unspecified
Privileges required
None: unauthenticated exploitation is possible
User interaction
Not stated in the selected CVSS metric
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Not stated in the selected CVSS metric
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-264

CWE-264. Open the MITRE definition for the exact weakness description.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
AV:L/AC:L/Au:N/C:C/I:C/A:C
Post-exploitation / living off the land
Stolen credentials, tokens and legitimate administration functions may provide continued access without deploying a large custom toolset.
UnauthenticatedPrivilege escalationCWE-264
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

JVN iPedia · Japanese · JVNDB-2015-001760複数の Microsoft Windows 製品のカーネルモードドライバの win32k.sys における権限昇格の脆弱性

複数の Microsoft Windows 製品のカーネルモードドライバの win32k.sys は、呼び出し元スレッドのトークンを適切に検証しないため、権限を取得される脆弱性が存在します。 マイクロソフトセキュリティ情報には、この脆弱性は「Win32k の特権の昇格の脆弱性」と記載されています。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-4505원격코드실행 취약점 등 MS 보안업데이트 14종

람할 경우, 원격코드가 실행될 수 있는 취약점이 존재 관련취약점 : - Microsoft Office 컴포넌트 Use-After-Free 취약점(CVE-2015-0085) - Microsoft Office 메모리 손상 취약점(CVE-2015-0086) - Microsoft Word 원격코드 실행 취약점(CVE-2015-0097) 영향 : 원격코드 실행 중요도 : 긴급 ##### □ 해당시스템 참조사이트 참고 - 한글 : https://technet.microsoft.com/ko-kr/library/security/MS15-022 - 영문 : https://technet.microsoft.com/en-us/library/security/MS15-022 ##### □ 해결책 해당 시스템에 대한 마이크로소프트사의 취약점 패치 적용 [MS15-023] Windows 커널 모드의 취약점으로 인한 권한 상승 문제 ##### □ 영향 공격자가 영향 받는 시스템에 권한 상승 ##### □ 설명 사용자가 특수하게 응용프로그램을 실행할 경우, 권한 상승 문제가 발생할 수 있는 취약점 관련취약점 : - Windows 커널 메모리 유출 취약점 - (CVE-2015-0077, CVE-2015-0094, CVE-2015-0095) - Win32k 권한 상승 취약점 - (CVE-2015-0078) 영향 : 권한상승 중요도 : 중요 ##### □ 해당시스템 참조사이트 참고 - 한글 : https://technet.microsoft.com/ko-kr/library/security/MS15-023 - 영문 : https://technet.microsoft.com/en-us/library/security/MS15-023 ##### □ 해결책 해당 시스템에 대한 마이크로소프트사의 취약점 패치 적용 [MS15-024] Microsoft Windows 취약점으로 인한 권한 상승 문제 ##### □ 영향 공격자가 영향 받는 시스템의 정보를 공개 ##### □ 설명 사용자가 특수하게 제작된 PNG 이미지가 포함된 웹사이트로 이동할 경우 정보가 유출될 수 있는 취약점이 존재 관련취약점 : - PNG 구문 변조로 인한 정보 유출 취약점 ? (CVE-2015-0080) 영향 : 권한 상승 중요도 : 중요 ##### □ 해당시스템 참조사이트 참고 - 한글 : https://technet.microsoft.com/ko-kr/library/security/MS15-024 - 영문 : https://technet.microsoft.com/en-us/library/security/MS15-024 ##### □ 해결책 해당 시스템에 대한 마이크로소프트사의 취약점 패치

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
n/a: n/a
Fixed
An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 11 Mar 2015 · Last source change 6 Aug 2024, 03:55 UTC · CWE-264

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-09-01
European sourceENISA EUVD · EUVD-2015-0116
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗
  1. SeveritySeverity changed from Unknown to High.
    Before
    Unknown
    After
    High
    NIST NVD
  2. CVSS scoreCVSS score changed from not recorded to 7.2 (CVSS 2.0 · NIST NVD · AV:L/AC:L/Au:N/C:C/I:C/A:C).
    Before
    not recorded
    After
    7.2 (CVSS 2.0 · NIST NVD · AV:L/AC:L/Au:N/C:C/I:C/A:C)
    NIST NVD
  3. ENISA EUVD mappingEUVD-2015-0116 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2015-0116"}
    ENISA EUVD
  4. Catalogue recordCVE added to the BlackTree catalogue.
    CNA
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2015-0078 · cve.blacktree.nl